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lorasvet [3.4K]
3 years ago
8

Which value of x satisfies both -9x + 4y = 8 and -3x − y = 4 given the same value of y?

Mathematics
1 answer:
d1i1m1o1n [39]3 years ago
7 0
Multiply 2nd equaton by 4 and add to first

-9x+4y=8
<u>-12x-4y=16 +</u>
-21x+0y=24

-21x=24
divide both sides by -21
x=-24/21
x=-8/7

C is answer
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Has a slope of 4 and passes through (-2, 4)
denpristay [2]

Answer:

y = 4x + 12

Step-by-step explanation:

y = mx + b

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3 years ago
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harkovskaia [24]

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8%

Step-by-step explanation:

1) create equation

y = (4)2.5 + 125

2) simplify

y = 10 + 125

y = 135

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4 0
2 years ago
Stephen made the following claim:
Kay [80]

The figure below that can be used to prove that Stephen is wrong is Isosceles Trapezoid. Option C is correct. This is further explained below.

<h3>What is Isosceles Trapezoid?</h3>

Generally, Isosceles Trapezoid is simply defined as a trapezoid with base angles that are the same and non-parallel sides that are the same is called an isosceles trapezoid. If a quadrilateral has just one parallel side, we call it a trapezoid.

In conclusion, If you want to show Stephen he's incorrect, you may use the Isosceles Trapezoid in the diagram below as evidence.

Read more about Isosceles Trapezoid

brainly.com/question/2516570

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Answer:

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2 years ago
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